Version 1.3.0+dfsg1-3 of golang-github-gin-gonic-gin is marked for autoremoval from testing on Mon 18 Feb 2019. It is affected by #917707. The removal of golang-github-gin-gonic-gin will also cause the removal of (transitive) reverse dependencies: aptly, golang-github-ulule-limiter. You should try to prevent the removal by fixing these RC bugs.